LOCKER - Magic of the locker
#include <bits/stdc++.h>
#define int long long
#define pb push_back
#define fi first
#define se second
#define pii pair<int,int>
#define vi vector<int>
using namespace std;
int m=1e9+7;
int modexp(int x,int n){
if(n==0) return 1;
if(n%2==0) return (modexp(((x%m)*(x%m))%m,n/2))%m;
return ((x%m)*(modexp(((x%m)*(x%m))%m,(n-1)/2))%m)%m;
}
int32_t main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int t;
cin>>t;
while(t--){
int x;
cin>>x;
if(x==1){
cout<<1<<endl;
continue;
}
if(x==2){
cout<<2<<endl;
continue;
}
if(x%3==0) cout<<modexp(3,x/3)<<'\n';
else if(x%3==2) cout<<(((modexp(3,x/3))%m)*(2))%m<<'\n';
else{
cout<<((modexp(3,((x/3)-1))%m)*4)%m<<'\n';
}
}
return 0;
}
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